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What is the pKa of Sylvianic Acid if it is 2.3% dissociated at pH = 10.26?
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- For an acid HA with a pKa of 5.2, what is the ratio of the concentration of the conjugate base to that of the acid at pH 7.2.A weak acid has a pKa of 7.6. What is the proportion of A- to HA if pH is 9.08? Round to one decimal place. Thank You!The dissociation of lactic acid to lactate is shown in the reaction. Lactic acid has a pk, of 3.86. + H* HO OH OH Lactic acid Lactate A solution containing a mixture of lactic acid and lactate was found to have a pH of 3.32. Calculate the ratio of the lactate concentration to the lactic acid concentration in this solution. [lactate] [lactic acid] 0.301 What fraction of the lactic acid/lactate mixture is lactic acid? fraction lactic acid =
- If I’ve got 20.0 grams of tartaric acid with a (first ionization) pKa = 2.91. If I dissolve this into 1.000 Liter of solution what will the pH of the solution be?similar to the question what is the pKa of formic acid when the pH of buffer is 4.18?If the concentration of an acid in solution is 2.2 times larger than the concentration of its conjugate base, and the pH of the solution is 3.5, what is the pKa of the acid? Include the answer to 3 significant figures
- For an acid with a pKa of 5.00, what is the pKb of its conjugate base?The pKa value of CH3COOH/CH3COO- is 4.75. At what pH value are the concentration of CH3COO- and CH3COOH the same?Benozic acid (C6H5COOH) has a pKa of 4.20. What is the ratio of the acid to its conjugate acid at a pH of 2.20 and what is the formula of the conjugate acid?
- 4 Which nitrogen is pKa1 and pKa2 and explain why. Draw the salt form at ohysiological pHWhat is the pKa of benzoic acid? What is the molar concentration of sodium benzoate (conjugate base)? What is the molar concentration of benzoic acid (weak acid)?Alizarin yellow R, Ka = 7.9 x 10-1 , is yellow in its protonated form (HX) and red in its ionized form (X). At what pH will alizarin yellow R be a perfect orange color?